【Java】为什么 elasticsearch 获取节点信息失败？

Z时代
2024-01-10
分类：技术分享

在 spring boot 项目中即成集成 elasticsearch（dao层数据与es交互使用的的是 spring-data-elasticsearch）首先安装了服务器端的 es 服务，和 head 插件，es 服务启动正常，node-1 为默认主节点，my-cluster 为集群名，如图：

在程序中，使用嵌入式node启动节点正常，方式如下：

 Node node = NodeBuilder.nodeBuilder().node();node.start();

但是，如果使用 TransportClient 建立 es 的 Client，方式如下：

TransportClient client = new TransportClient(settings);client.addTransportAddress(new InetSocketTransportAddress("127.0.0.1", 9300));

这是 ES 2.3 官网上面提供的 TransportClient 方式：https://www.elastic.co/guide/en/elasticsearch/client/java-api/current/transport-client.html

使用 TransportClient 方式，启动程序后，程序可以正常启动，但是控制台一直不停报错，貌似是在一直监测节点，而节点一直没有被发现，所以不停报错，错误信息如下，应用程序控制台错误信息：

2016-05-23 19:40:15.823 INFO 27655 --- [ main] org.elasticsearch.client.transport : [Aliyah Bishop] failed to get node info for [#transport#-1][XXX-MBP.lan][inet[/127.0.0.1:9300]], disconnecting... org.elasticsearch.transport.RemoteTransportException: Failed to deserialize exception response from stream Caused by: org.elasticsearch.transport.TransportSerializationException: Failed to deserialize exception response from stream at org.elasticsearch.transport.netty.MessageChannelHandler.handlerResponseError(MessageChannelHandler.java:173) at org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:125) at org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70) at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) at org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791) at org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:296) at org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462) at org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443) at org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303) at org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70) at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559) at org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:268) at org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:255) at org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88) at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108) at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318) at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89) at org.elasticsearch.common.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) at org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.io.StreamCorruptedException: Unsupported version: 1 at org.elasticsearch.common.io.ThrowableObjectInputStream.readStreamHeader(ThrowableObjectInputStream.java:46) at java.io.ObjectInputStream.<init>(ObjectInputStream.java:299) at org.elasticsearch.common.io.ThrowableObjectInputStream.<init>(ThrowableObjectInputStream.java:38) at org.elasticsearch.transport.netty.MessageChannelHandler.handlerResponseError(MessageChannelHandler.java:170) ... 23 common frames omitted ………….

failed to load elasticsearch nodes : org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are available: []

es 控制台报错信息：

[2016-05-23 21:45:56,807][WARN ][transport.netty          ] [node-1] exception caught on transport layer [[id: 0x8e4b89bc, /127.0.0.1:62566 => /127.0.0.1:9300]], closing connection
java.lang.IllegalStateException: Message not fully read (request) for requestId [233], action [cluster/nodes/info], readerIndex [39] vs expected [57]; resetting
at org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:121)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.elasticsearch.common.netty.OpenChannelsHandler.handleUpstream(OpenChannelsHandler.java:75)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)at java.lang.Thread.run(Thread.java:745)

而且，当我使用嵌入式node启动节点后，系统会自动启动一个node节点，node.name 也是随机的，并且并没有将该节点加入启动的es集群中，我加入的索引和数据也不能出现在 my-cluster 集群中

所以有两个问题：
1、为什么我使用嵌入式node启动节点，启动后的节点不会加入到集群中？
2、使用 TransportClient 方式建立 Client，启动程序后，程序的控制台，和服务器端的es一直报错，获取节点信息失败，是什么原因？即上面的错误信息

下面是环境版本信息：
服务器端 es 版本：2.3.3
jdk 版本：1.7.0_79
spring-data-elasticsearch 版本：1.2.0.RELEASE（即：elasticsearch-1.4.4.jar）

服务器端 es 配置，elasticsearch.yml：
cluster.name: my-cluster
node.name: node-1

http 端口为：9200
节点间的通信端口为：9300

关于第二个问题尝试了很多解决方案，比如：
1、应用和 es 的 jdk 环境版本不一致。已检查过一致
https://github.com/elastic/elasticsearch/issues/3835

2、es 多个节点之间的JDK版本不一致。我使用的只是单节点，并且都在我本地机器上
http://jontai.me/blog/2013/06/elasticsearch-remotetransportexception-failed-to-deserialize-exception-response-from-stream/

3、idk 版本过低，建议1.7+。已是1.7+

最后附上两种启动节点方式的完整代码
1、嵌入式 node 启动

import org.elasticsearch.client.Client;
import org.elasticsearch.node.Node;
import org.elasticsearch.node.NodeBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
@Configuration
@EnableElasticsearchRepositories(basePackages = "xx.xxx.domain.repository.elastic")
public class ElasticsearchConfiguration {
@Bean
public Client client() {
Node node = NodeBuilder.nodeBuilder().node();
node.start();
return node.client();
}}

2、TransportClient 方式

import org.elasticsearch.client.Client;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
@Configuration
@EnableElasticsearchRepositories(basePackages = "xx.xxx.domain.repository.elastic")
public class ElasticsearchConfiguration {
@Bean
public Client client() {
TransportClient client = new TransportClient();
client.addTransportAddress(new
InetSocketTransportAddress("127.0.0.1", 9300));
return client;
}
@Bean
public ElasticsearchOperations elasticsearchTemplate() {
return new ElasticsearchTemplate(client());
}}